ANORDNING FOR FORSKYVNING AV ET ELEMENT I EN KANAL FYLT MED EN VAESKE.,申请号NO19800003833-传众专利搜索

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发明名称	ANORDNING FOR FORSKYVNING AV ET ELEMENT I EN KANAL FYLT MED EN VAESKE.
摘要
申请公布号	NO156337(B)	申请公布日期	1987.05.25
申请号	NO19800003833	申请日期	1980.12.17
申请人	INSTITUT FRANCAIS DU PETROLE	发明人	CHOLET, HENRI;DESBRANDES, ROBERT;NOREL, GUY
分类号	E21B23/00;E21B23/08;E21B23/10;E21B33/127;E21B47/00;(IPC1-7):E21B23/08	主分类号	E21B23/00
代理机构		代理人
主权项
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